APA (7th ed.) Citation

LearningExpress (Organization). (2006). 501 reading comprehension questions (3rd ed.). LearningExpress.

Chicago Style (17th ed.) Citation

LearningExpress (Organization). 501 Reading Comprehension Questions. 3rd ed. New York: LearningExpress, 2006.

MLA (9th ed.) Citation

LearningExpress (Organization). 501 Reading Comprehension Questions. 3rd ed. LearningExpress, 2006.

Warning: These citations may not always be 100% accurate.